This may have been posted already but,

[tiredtoo]

Just in case it hasn't here it is. Call the White House [phone]
http://www.huffingtonpost.com/2013/12/08/tpp-trade-agreement_n_4409211.html

Edit to add this snippet.

"Previously leaked TPP documents have sparked alarm among global health experts, Internet freedom activists, environmentalists and organized labor, but are adamantly supported by American corporations and the U.S. Chamber of Commerce. The Obama administration has deemed negotiations to be classified information -- banning members of Congress from discussing the American negotiating position with the press or the public. Congressional staffers have been restricted from viewing the documents."

emphasis mine.